Research Methods for the Health Sciences Essay Help Online-Module 3

Research Methods for the Health Sciences Essay Help Online-Module 3

 

Module 3 – Case

Sampling

Case Assignment

Read the background materials for this module and, after doing so, address the following questions in a four-page paper:

1. The sampling frame is arguably the most critical element of a study’s sampling plan. Why is this so?
2. How might a poorly specified sampling frame forestall the research process?
3. Are studies that employ convenience sampling invalid? Please explain.
4. Of the sampling methods presented in this module, which optimize external validity (if this term is unfamiliar, revisit the Module 2 home page)? Please explain.

Assignment Expectations

• You are expected to consult the scholarly literature in preparing your paper; you are also expected to incorporate relevant background readings.
• Your paper should be written in your own words. This will enable me to assess your level of understanding.
• In order to earn full credit, you must clearly show that you have read ALL required background materials.
• Be sure to cite your references in the text of all papers and on the reference list at the end. For examples, look at the way the references are listed in the modules and on the background reading list.
• Proofread your paper to be sure grammar and punctuation are correct and that each part of the assignment has been address clearly and completely.

Length: 4 pages typed, double-spaced.

Module 3 – SLP

Sampling

Suppose that your research topic is “milk consumption and bone fracture risk.” A corresponding research question would thus be: “What is the relationship between daily consumption of milk and bone fracture risk?”

A review of the empirical literature suggests that milk consumption may decrease the likelihood of bone fracture, but findings reported are limited to women ages 65 and above. You would like to examine this relationship in a different segment of the population; let’s say school-aged youths. Given that prior research suggests a relationship exists, you might hypothesize the following:

Research Hypothesis (one-tailed):

Ho: School-aged youths who consume milk on a daily basis are equally as likely or more likely (than those who do not) to experience bone fractures.

Ha: School-aged youths who consume milk on a daily basis are less likely to experience bone fractures.

…where Ho reflects the null hypothesis and Ha the alternative hypothesis, which corresponds to the outcome that you, the researcher, expect to observe. Another way of stating your hypothesis would be in two-tailed format, i.e.,

Research Hypothesis (two-tailed):

Ho: There is no relationship between daily milk consumption and bone fracture risk among school-aged youths.

Ha: There is a relationship between daily milk consumption and bone fracture risk among school-aged youths.

(Two-tailed hypotheses are used in instances in which a research is not able to anticipate the direction of a hypothesized relationship.)

Your Specific Task for this Assignment

Using the examples provided about, formulate your own research hypothesis corresponding to the research question you selected in Module 1. Add this to the previous components of your SLP, ensuring that there is consistency from research question-to-literature review-to- research hypothesis. (Your research hypothesis should correspond directly to your research question; if this is not the case, please revise either accordingly.)

Upload the resultant document, which should be 6-7 pages in length, for my review.

SLP Assignment Expectations

• Ensure that there is alignment across the three components of your project, i.e., research question, literature review, research hypothesis.
• Your paper should be written in your own words. This will enable me to assess your level of understanding.
• In order to earn full credit, you must clearly show that you have read ALL required background materials.
• Be sure to cite your references in the text of all papers and on the reference list at the end. For examples, look at the way the references are listed in the modules and on the background reading list.
• Proofread your paper to be sure grammar and punctuation are correct and that each part of the assignment has been address clearly and completely.

Length: 6-7 pages typed, double-spaced.

Note: Wikipedia is not an acceptable source of information.

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